4G5Q

Structure of LGN GL4/Galphai1 complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Galpha insert domain-like	8056780	3000669	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Galpha insert domain-like	8056780	3000669	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Galpha insert domain-like	8056780	3000669	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Galpha insert domain-like	8056780	3000669	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ras-like P-loop GTPases	8056779	3002022	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	G-alpha	e4g5qA1	A: alpha arrays	X: Transducin (alpha subunit), insertion domain (From Topology)	H: Transducin (alpha subunit), insertion domain (From Topology)	T: Transducin (alpha subunit), insertion domain	F: G-alpha	ECOD (1.6)
A	Ras	e4g5qA2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)
B	G-alpha	e4g5qB4	A: alpha arrays	X: Transducin (alpha subunit), insertion domain (From Topology)	H: Transducin (alpha subunit), insertion domain (From Topology)	T: Transducin (alpha subunit), insertion domain	F: G-alpha	ECOD (1.6)
B	Ras	e4g5qB3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)
C	G-alpha	e4g5qC4	A: alpha arrays	X: Transducin (alpha subunit), insertion domain (From Topology)	H: Transducin (alpha subunit), insertion domain (From Topology)	T: Transducin (alpha subunit), insertion domain	F: G-alpha	ECOD (1.6)
C	Ras	e4g5qC3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)
D	G-alpha	e4g5qD4	A: alpha arrays	X: Transducin (alpha subunit), insertion domain (From Topology)	H: Transducin (alpha subunit), insertion domain (From Topology)	T: Transducin (alpha subunit), insertion domain	F: G-alpha	ECOD (1.6)
D	Ras	e4g5qD3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
A	1.10.400.10	Mainly Alpha	Orthogonal Bundle	GI Alpha 1, domain 2-like	GI Alpha 1, domain 2-like	CATH (4.3.0)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
B	1.10.400.10	Mainly Alpha	Orthogonal Bundle	GI Alpha 1, domain 2-like	GI Alpha 1, domain 2-like	CATH (4.3.0)
C	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
C	1.10.400.10	Mainly Alpha	Orthogonal Bundle	GI Alpha 1, domain 2-like	GI Alpha 1, domain 2-like	CATH (4.3.0)
D	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
D	1.10.400.10	Mainly Alpha	Orthogonal Bundle	GI Alpha 1, domain 2-like	GI Alpha 1, domain 2-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E, F, G, H	PF02188	GoLoco motif (GoLoco)	GoLoco motif	-	Motif

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Guanine nucleotide-binding protein G(i) subunit alpha-1	D2 dopamine receptor binding protein binding binding signaling receptor binding G protein-coupled receptor binding dopamine receptor binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding D2 dopamine receptor binding protein binding binding signaling receptor binding G protein-coupled receptor binding dopamine receptor binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding magnesium ion binding metal ion binding GDP binding G protein-coupled serotonin receptor binding protein-containing complex binding G-protein beta/gamma-subunit complex binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	response to stimulus response to hormone response to chemical response to endogenous stimulus response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular process cell division leukocyte migration immune system process mononuclear cell migration lymphocyte migration cell migration response to stimulus response to hormone response to chemical response to endogenous stimulus response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular process cell division leukocyte migration immune system process mononuclear cell migration lymphocyte migration cell migration T cell migration cell motility cellular response to stimulus regulation of biological process regulation of cellular process signaling biological regulation cell communication adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction regulation of cytoskeleton organization regulation of cellular component organization microtubule cytoskeleton organization regulation of mitotic spindle organization mitotic cell cycle cellular component organization cell cycle cellular component organization or biogenesis regulation of cell cycle microtubule cytoskeleton organization involved in mitosis spindle organization cell cycle process regulation of cell cycle process regulation of microtubule-based process regulation of spindle organization regulation of organelle organization mitotic spindle organization organelle organization mitotic cell cycle process microtubule-based process cytoskeleton organization regulation of microtubule cytoskeleton organization protein localization positive regulation of protein localization to cell periphery regulation of localization protein localization to cell periphery cellular localization regulation of protein localization positive regulation of biological process positive regulation of protein localization to cell cortex regulation of protein localization to cell periphery localization regulation of cellular localization regulation of protein localization to cell cortex cellular macromolecule localization macromolecule localization positive regulation of protein localization protein localization to cell cortex positive regulation of cellular process adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway regulation of signaling regulation of signal transduction intracellular signal transduction cAMP-mediated signaling regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette regulation of cell communication regulation of cAMP-mediated signaling response to ketone response to lipid response to alcohol cellular response to forskolin cellular response to organic cyclic compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to forskolin cellular response to lipid cellular response to ketone response to organic cyclic compound	midbody cellular anatomical entity membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen midbody cellular anatomical entity membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle cell periphery cell cortex cytoplasm protein-containing complex extrinsic component of plasma membrane catalytic complex plasma membrane protein complex cytoplasmic side of membrane membrane plasma membrane membrane protein complex heterotrimeric G-protein complex side of membrane cytoplasmic side of plasma membrane GTPase complex extrinsic component of membrane extrinsic component of cytoplasmic side of plasma membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton nucleoplasm vacuolar membrane lytic vacuole vacuole lytic vacuole membrane bounding membrane of organelle lysosomal membrane organelle membrane lysosome
E, F, G, H	G-protein-signaling modulator 2	protein binding binding protein domain specific binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding GTPase regulator activity enzyme regulator activity GDP-dissociation inhibitor activity nucleoside-triphosphatase regulator activity molecular function regulator activity G-protein alpha-subunit binding protein binding binding protein domain specific binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding GTPase regulator activity enzyme regulator activity GDP-dissociation inhibitor activity nucleoside-triphosphatase regulator activity molecular function regulator activity G-protein alpha-subunit binding identical protein binding protein-containing complex binding dynein complex binding	cellular process cell division positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process positive regulation of cellular component organization non-membrane-bounded organelle assembly microtubule cytoskeleton organization positive regulation of biological process positive regulation of spindle assembly cellular component organization cellular component biogenesis cellular component assembly cellular process cell division positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process positive regulation of cellular component organization non-membrane-bounded organelle assembly microtubule cytoskeleton organization positive regulation of biological process positive regulation of spindle assembly cellular component organization cellular component biogenesis cellular component assembly positive regulation of cell cycle process cell cycle cellular component organization or biogenesis regulation of cell cycle chromosome segregation positive regulation of cellular process spindle organization cell cycle process regulation of biological process organelle assembly regulation of cell cycle process positive regulation of cellular component biogenesis positive regulation of cytoskeleton organization biological regulation regulation of microtubule-based process regulation of spindle organization regulation of cellular component biogenesis spindle assembly regulation of organelle organization positive regulation of cell cycle regulation of spindle assembly organelle organization regulation of organelle assembly microtubule-based process cytoskeleton organization regulation of microtubule cytoskeleton organization positive regulation of organelle assembly regulation of mitotic spindle organization mitotic cell cycle microtubule cytoskeleton organization involved in mitosis mitotic spindle organization mitotic cell cycle process protein localization positive regulation of protein localization to cell periphery regulation of localization protein localization to cell periphery cellular localization regulation of protein localization positive regulation of protein localization to cell cortex regulation of protein localization to cell periphery localization regulation of cellular localization regulation of protein localization to cell cortex cellular macromolecule localization macromolecule localization positive regulation of protein localization protein localization to cell cortex establishment of organelle localization spindle localization establishment or maintenance of cell polarity establishment of mitotic spindle localization establishment of spindle localization establishment of spindle orientation organelle localization establishment of localization in cell establishment of localization establishment of cell polarity establishment of mitotic spindle orientation maintenance of centrosome location centrosome localization microtubule organizing center localization maintenance of organelle location maintenance of location in cell maintenance of location	cell periphery cell cortex intracellular anatomical structure cytoplasm cellular anatomical entity intracellular organelle centrosome microtubule organizing center cytoskeleton organelle intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle cytosol cell periphery cell cortex intracellular anatomical structure cytoplasm cellular anatomical entity intracellular organelle centrosome microtubule organizing center cytoskeleton organelle intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle cytosol cell cortex region cytoplasmic region protein-containing complex lateral cell cortex lateral part of cell plasma membrane membrane lateral plasma membrane mitotic spindle spindle mitotic spindle pole spindle pole

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001019	Guanine nucleotide binding protein (G-protein), alpha subunit	Family
A, B, C, D	IPR011025	G protein alpha subunit, helical insertion	Homologous Superfamily
A, B, C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B, C, D	IPR001408	G-protein alpha subunit, group I	Family
E, F, G, H	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
E, F, G, H	IPR003109	GoLoco motif	Conserved Site
E, F, G, H	IPR019734	Tetratricopeptide repeat	Repeat
E, F, G, H	IPR052386	G-protein-signaling modulator	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: P63096	substance withdrawal syndrome dissociative amnesia malignant glioma nicotine dependence pancreatic ductal adenocarcinoma acute myeloid leukemia Withdrawal Symptoms breast cancer glioblastoma intellectual disability large cell medulloblastoma malignant pancreatic neoplasm oligodendroglioma Pick disease astrocytic tumor substance withdrawal syndrome dissociative amnesia malignant glioma nicotine dependence pancreatic ductal adenocarcinoma acute myeloid leukemia Withdrawal Symptoms breast cancer glioblastoma intellectual disability large cell medulloblastoma malignant pancreatic neoplasm oligodendroglioma Pick disease astrocytic tumor breast carcinoma interstitial cystitis malignant colon neoplasm medulloblastoma ovarian cancer subependymal giant cell astrocytoma amnestic disorder atypical teratoid rhabdoid tumor breast fibroadenoma ductal breast carcinoma in situ invasive ductal breast carcinoma

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.